// This source file is part of the Swift.org open source project
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors

// RUN: not %target-swift-frontend %s -typecheck
}
}
}
}
import Foundation
print(a
}
protocol c = i<T) { c: AnyObject)
})()
}
class b
private let b : B, g<T>() {
protocol A {
return b
}
return $0.A<T) -> : A<T>(a!.R
var d {
self.init(")
return """)
return """
struct c : T, B<T -> V>() -> (Range<T, Any, i: b.Type
}
e = A, f<d where f<T>: a()
}
}
print(range.e> {
override func b(s(start, Bool].init(t: Int {
let g = T>?
if true {
return NSData(b<h)!)
func e() {
var e
protocol P {
var b {
}
protocol a {
}
import Foundation
override init(range.B {
case c: Hashable> U.init() {
var f == {
var d where Optional<d<T
protocol c where g<T : Int>) {
}
func b> {
return $0
}
let h, g : NSObject {
(a: Collection where l.c<T : C<T> T : d where B = c<h == {
protocol A = b> d<c) {
typealias A {
case A<h : a {
func c) {
() {
}
init <Int
}
func b
class a : Any)!(a() -> {
}
self.b {
class func g<d {
S) {
}
var a)
}
func b(Any)(A: Bool) + seq: T>("foobar")
func f<U, c(#object1, y)
}
return b> ((t: Sequence> T where S<d
protocol a {
}
}
var e(start, b {
protocol b {
typealias d : A, f<d where B : Any, x in c : l.a)
let h == [$0
}
func f: (bytes: T, let d.C() -> String) {
struct c(g> Void>(()
typealias B<l : Boolean>(_ = Swift.<b
var b) {
}
for (2, length: b {
let x }
return !.f = 1
super.f = g.dynamicType.c> {
}
return """",""
}
"A: b = c
}
}
extension A {
import Foundation
}
import Foundation
protocol c : () {
func a")):
}
[1, x in return self.c, U) -> String)
}
protocol c = [Int>>) -> {
protocol a {
}
})
}
typealias e == ["
}
class a<e> V {
}
import CoreData
extension NSData {
}
struct c {
convenience init() -> Any] = nil
if true {
}
func a<T : c] in
let x in c : Any))
class func c(a
